feat: add agent management

backend/app/identity.py

@@ -779,6 +779,8 @@ def required_api_permission(method: str, path: str) -> str | None:
         return "repairs.read"
     if component_request(path):
         return "components.create" if method == "POST" else "components.read"
+    if path == "/api/agents":
+        return "agents.view"
     if path == "/api/agent-zones":
         return "agents.view" if method == "GET" else "agents.manage"
     if path == "/api/agent-enrollments":